YIQIXIN CF920 Universal Smart Key LCD Screen User Manual

1. Introduction

The YIQIXIN CF920 Smart LCD Key is a universal modified car key designed to enhance your vehicle access experience. It features an IPS TFT display with OGS touch screen, offering comfortable keyless entry, auto-locking, and auto-window functions for compatible vehicles. This manual provides essential information for setup, operation, and maintenance of your new smart key.

2. Package Contents

Please verify that all items listed below are included in your package:

1 x Smart LCD Key (CF920)
1 x OBD Module
1 x USB Cable
1 x User Manual
1 x Wire Harness

Image showing the package contents: Smart LCD key, OBD module, USB cable, User Manual, and Wire harness. — Figure 2.1: Official recommended standard configuration package contents.

3. Features

IPS TFT Display with OGS Touch Screen
Touchless Door Lock and Trunk Lock
Automotive-grade Comfort Entry (auto lock when leaving, auto unlock when approaching)
Long Standby Battery Life: 30 days display, 365 days without comfort access function
Durable Hardcover Alloy Material
Window Lift Function (for some models)
No Induction Door Lock, Switch Tail Box
Anti-lost Function
Owner Information Input Capability
Patented Design

Image listing 9 reasons to choose the CF920 Smart Key, including IPS TFT display, comfort access, auto window, alloy material, anti-lose function, long standby battery, high quality materials, invention & design patent, and risk-free customer satisfaction. — Figure 3.1: Key features of the CF920 Smart LCD Key.

4. Compatibility

The CF920 Smart LCD Key is applicable to all original cars with a one-button start function. It is NOT compatible with manual in-line car keys or mechanical keys.

Compatible Car Brands (Examples):

BMW
Benz
Toyota
Audi
Ford
Porsche
KIA
Lexus
Land Rover
Honda
Cadillac
Mazda
Hyundai
VW

Image showing car ignition types. A car with a 'START STOP' button is marked as 'CAN REFIT TO SMART KEY'. Cars requiring a physical key or a key inserted into a slot are marked as 'CAN'T REFIT TO SMART KEY'. — Figure 4.1: Compatibility based on car ignition type.

5. Setup

5.1. Installation

The CF920 Smart LCD Key requires OBD harness installation, which typically takes about 15 minutes. It is recommended to have this installed by a professional to ensure correct wiring and functionality.

5.2. Language Settings

The smart key supports multiple languages. To change the language:

Access the settings menu on the smart key's LCD screen.
Navigate to the language option.
Select your desired language from the available options (English, Russian, Korean, Portuguese, Spanish, Arabic, French, Japanese, German, Italian, Thai).

Video 5.1: Demonstration of navigating the smart key's menu and changing the language setting to English.

5.3. Owner Information

The smart key allows you to input owner information for enhanced security and anti-lost functionality. Refer to the on-screen prompts within the device settings to enter your details.

6. Operating Instructions

6.1. Basic Functions (Lock/Unlock)

The LCD screen displays clear icons for locking and unlocking your vehicle. Simply tap the corresponding icon on the touch screen to perform the action.

Front view of the YIQIXIN CF920 Smart LCD Key in silver, displaying 'Master Control' with lock and unlock icons. — Figure 6.1: Smart Key display showing lock and unlock controls.

6.2. Comfortable Entry System

This feature allows for automatic locking and unlocking of your vehicle based on proximity:

Auto Unlock: As you approach your vehicle with the smart key, it will automatically unlock.
Auto Lock: When you leave the vehicle and move 2-4 meters away, the vehicle will automatically lock.

Image illustrating the comfortable entry function, showing a person approaching a car with the smart key, resulting in auto unlock, and moving away, resulting in auto lock. — Figure 6.2: Comfortable Entry: Auto lock when leaving, auto unlock when approaching.

6.3. Auto Window Function

For compatible models, when the vehicle automatically locks as you walk away, the four windows will automatically rise, and the sunroof will close.

Image demonstrating the auto window function, where the car windows automatically close when the smart key is carried away from the vehicle. — Figure 6.3: Auto Window Function: Windows and sunroof close automatically upon locking (some models).

6.4. Anti-Lost Function

The smart key includes an anti-lost function. Ensure your owner information is correctly entered in the device settings to utilize this feature.

7. Maintenance

7.1. Battery Life and Charging

The CF920 Smart LCD Key offers a long standby time:

Up to 30 days with the display active.
Up to 365 days if the physical button is not used and comfort access is disabled.

Charge the device using the provided USB cable when the battery indicator is low.

Image showing the smart key next to a battery icon, indicating 'Ultra long standby: 30 days display, physical button 365 days without comfort access function'. — Figure 7.1: Battery life indication.

7.2. Material Durability

The smart key is constructed with a hardcover alloy material, providing stability and anti-drop protection. While durable, avoid excessive force or impact to prevent damage to the screen or internal components.

Image showing two smart keys, highlighting the alloy material and all-inclusive protection, with text 'Alloy material is stable and anti-drop Fashion Little King Kong Alloy material all-inclusive protection'. — Figure 7.2: Durable alloy construction.

8. Troubleshooting

Key not responding: Ensure the key is charged. Check the vehicle's battery. Re-pair the key if necessary (refer to professional installation guide).
Comfort entry not working: Verify that the feature is enabled in the key's settings. Ensure no obstructions are blocking the signal between the key and the vehicle.
Screen unresponsive: Try restarting the key. If the issue persists, contact customer support.

9. Specifications

Feature	Specification
Model Name	CF920
Display Type	IPS TFT Display, OGS Touch Screen
Material	Plastic and Metal + Circuit board, Hardcover Alloy
Input Voltage	5V
Output Current	450 mA
Dimensions (L x W)	6.5 cm x 4 cm (approx.)
Supported Languages	English, Russian, Korean, Portuguese, Spanish, Arabic, French, Japanese, German, Italian, Thai
R/C Function	Without
Customization	No

Back view of the smart key showing dimensions (L: 6.5cm, W: 4cm) and electrical specifications (Input Voltage: 5V, Output Current: 450mA). — Figure 9.1: Smart Key dimensions and electrical specifications.

10. User Tips

Car Logo Display: Some users inquire about displaying the car brand logo on the smart key's screen. While the product description doesn't explicitly state this feature, it's a common request for smart keys. Check the device settings or contact the seller for information on custom logo display options.
Professional Installation: For optimal performance and to avoid potential issues, it is highly recommended to have the OBD harness and key programming performed by a qualified automotive locksmith or technician.

11. Warranty and Support

For any questions, technical support, or warranty claims, please contact the seller directly. Ensure you retain your purchase records for verification.

YIQIXIN CF920